(declare-fun a () Real)
(declare-fun b () Real)
(declare-fun c () Real)
(assert (distinct 0 (* a c)))
(assert (= c (- a b)))
(check-sat)
(declare-fun a () Real)
(declare-fun b () Real)
(declare-fun c () Real)
(assert (distinct 0 (* a c)))
(assert (= c (- a b)))
(check-sat)
